JPS5017123A - - Google Patents

Info

Publication number
JPS5017123A
JPS5017123A JP49048625A JP4862574A JPS5017123A JP S5017123 A JPS5017123 A JP S5017123A JP 49048625 A JP49048625 A JP 49048625A JP 4862574 A JP4862574 A JP 4862574A JP S5017123 A JPS5017123 A JP S5017123A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP49048625A
Other languages
Japanese (ja)
Other versions
JPS5841712B2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS5017123A publication Critical patent/JPS5017123A/ja
Publication of JPS5841712B2 publication Critical patent/JPS5841712B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
    • H04N7/125—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line the signal segment being a picture element

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Analogue/Digital Conversion (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP49048625A 1973-04-30 1974-04-30 Bandwidth compression device Expired JPS5841712B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/355,802 US3950607A (en) 1973-04-30 1973-04-30 Bandwidth compression system and method

Publications (2)

Publication Number Publication Date
JPS5017123A true JPS5017123A (en) 1975-02-22
JPS5841712B2 JPS5841712B2 (en) 1983-09-13

Family

ID=23398909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49048625A Expired JPS5841712B2 (en) 1973-04-30 1974-04-30 Bandwidth compression device

Country Status (5)

Country Link
US (1) US3950607A (en)
JP (1) JPS5841712B2 (en)
DE (1) DE2420830C2 (en)
GB (1) GB1457142A (en)
SE (1) SE388992B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339225U (en) * 1986-08-29 1988-03-14

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112425A (en) * 1976-03-03 1978-09-05 Zonic Technical Laboratories, Inc. Transient analog signal capture and transmission system
JPS53139925A (en) * 1977-05-13 1978-12-06 Hitachi Ltd Receiving method for video signal
US4354207A (en) * 1979-03-12 1982-10-12 Chesley Gilman D System for identifying and locating recorded analog information
US4335393A (en) * 1980-04-15 1982-06-15 Harris Video Systems, Inc. Method and system using sequentially encoded color and luminance processing of video type signals to improve picture quality
DE3042919C2 (en) * 1980-11-14 1983-08-25 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method and device for the transmission of color images in facsimile technology
DE3042966C2 (en) * 1980-11-14 1982-08-12 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Process for reproducing halftone images in facsimile technology
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US4473837A (en) * 1982-05-28 1984-09-25 General Electric Company System for encoding and decoding video signals
US4514753A (en) * 1982-11-03 1985-04-30 Colorado Video, Incorporated Spectrum conservation in encoded color TV signals
US4652857A (en) * 1983-04-29 1987-03-24 Meiksin Zvi H Method and apparatus for transmitting wide-bandwidth frequency signals from mines and other power restricted environments
US4654484A (en) * 1983-07-21 1987-03-31 Interand Corporation Video compression/expansion system
US4704737A (en) * 1985-09-27 1987-11-03 Hughes Aircraft Company Compressive receiver having pulse width expansion
JP2569006B2 (en) * 1986-04-02 1997-01-08 株式会社日立製作所 Video signal recording device
US5003576A (en) * 1987-07-24 1991-03-26 Richard J. Helferich Analog/digital voice storage cellular telephone
US4864301A (en) * 1987-07-24 1989-09-05 Richard J. Helferich Variable speed transmission recording and retrieval of data
USRE34976E (en) * 1987-07-24 1995-06-20 Richard J. Helferich Analog/digital voice storage cellular telephone
USRE37618E1 (en) * 1987-07-24 2002-04-02 Richard J. Helferich Analog/digital data storage system
US4905003A (en) * 1987-07-24 1990-02-27 Richard J. Helferich Analog/digital data storage system
US4914508A (en) * 1988-04-27 1990-04-03 Universal Video Communications Corp. Method and system for compressing and statistically encoding color video data
US4847677A (en) * 1988-04-27 1989-07-11 Universal Video Communications Corp. Video telecommunication system and method for compressing and decompressing digital color video data
US4857993A (en) * 1988-04-27 1989-08-15 Universal Video Communications Corp. Method and system for decompressing digital color video statistically encoded data
EP0441661B1 (en) * 1990-02-09 1996-01-10 Sharp Kabushiki Kaisha A driving method and a driving device for a display device
GB9101548D0 (en) * 1991-01-24 1991-03-06 Stc Plc Surveillance system
US5793426A (en) * 1996-06-24 1998-08-11 Tektronix, Inc. Video compression enhancement
US7940942B2 (en) * 2003-12-30 2011-05-10 Apple Inc. Self-identifying microphone
US10187230B1 (en) * 2017-09-08 2019-01-22 Inphi Corporation Equalization for transmitter input buffer array

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683111A (en) * 1969-06-18 1972-08-08 Colorado Video Television bandwidth compression and expansion system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955159A (en) * 1958-10-01 1960-10-04 Itt Narrow-band video communication system
US3284567A (en) * 1963-11-26 1966-11-08 Ball Brothers Res Corp Narrow bandwidth television system
US3499996A (en) * 1966-12-30 1970-03-10 Octronix Inc Bandwidth compressor and expander
DE1907700C3 (en) * 1969-02-15 1978-05-11 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth Method for the transmission of a television still picture over a narrow band channel, preferably a telephone channel
US3752912A (en) * 1969-11-27 1973-08-14 Japan Broadcasting Corp System for converting facsimile signals
US3736373A (en) * 1971-12-13 1973-05-29 Bell Telephone Labor Inc Conditional vertical subsampling in a video redundancy reduction system
US3825677A (en) * 1972-08-25 1974-07-23 Arvin Ind Inc Television scan converter bandwidth reduction device
US3806644A (en) * 1973-02-23 1974-04-23 Bell Telephone Labor Inc Video format converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683111A (en) * 1969-06-18 1972-08-08 Colorado Video Television bandwidth compression and expansion system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339225U (en) * 1986-08-29 1988-03-14

Also Published As

Publication number Publication date
DE2420830C2 (en) 1983-05-19
GB1457142A (en) 1976-12-01
DE2420830A1 (en) 1974-11-21
JPS5841712B2 (en) 1983-09-13
US3950607A (en) 1976-04-13
SE388992B (en) 1976-10-18

Similar Documents

Publication Publication Date Title
AR201758A1 (en)
AU476761B2 (en)
AU465372B2 (en)
AR201235Q (en)
AR201231Q (en)
AU474593B2 (en)
AU474511B2 (en)
AU474838B2 (en)
AU465453B2 (en)
AU471343B2 (en)
AU465434B2 (en)
AU450229B2 (en)
AU476714B2 (en)
FR2240595B1 (en)
AR201229Q (en)
AU466283B2 (en)
AU476696B2 (en)
AU472848B2 (en)
AR199451A1 (en)
AU477823B2 (en)
AR196382A1 (en)
AR195948A1 (en)
AR201432A1 (en)
AR195311A1 (en)
AR200885A1 (en)